NVIDIA GeForce RTX 3080 Mobile vs NVIDIA GeForce RTX 2080 Mobile
What is the difference between NVIDIA GeForce RTX 3080 Mobile and NVIDIA GeForce RTX 2080 Mobile. Find out which graphics card has better performance.
Graphics Processor (GPU)
| GA104 | GPU Name | TU104 |
| GA104-775-A1 | Model number | N18E-G3-A1 |
| Ampere | Architecture | Turing |
| Samsung | Foundry | TSMC |
| 8 nm | Process Size | 12 nm |
| 17,400 million | Transistors | 13,600 million |
| 392 mm² | Die Size | 545 mm² |
Graphics Card
| Jan 12th, 2021 | Release Date | Jan 29th, 2019 |
| GeForce 30 Mobile | Family | GeForce 20 Mobile |
| Active | Production | Active |
| GeForce 20 Mobile | Predecessor | GeForce 10 Mobile |
| PCIe 4.0 x16 | Bus Interface | PCIe 3.0 x16 |
Memory
| 8 GB | Memory Size | 8 GB |
| GDDR6 | Memory Type | GDDR6 |
| 256 bit | Memory Bus | 256 bit |
| 448.0 GB/s | Bandwidth | 448.0 GB/s |
Performance
| 148.3 GPixel/s | Pixel fillrate | 101.8 GPixel/s |
| 296.6 GTexel/s | Texture fillrate | 292.6 GTexel/s |
| 18.98 TFLOPS (1:1) | FP16 (half) performance | 18.72 TFLOPS (2:1) |
| 18.98 TFLOPS | FP32 (float) performance | 9.362 TFLOPS |
| 296.6 GFLOPS (1:64) | FP64 (double) performance | 292.6 GFLOPS (1:32) |
Clock Speeds
| 1110 MHz | Base Clock | 1380 MHz |
| 1545 MHz | Boost Clock | 1590 MHz |
| 1750 MHz 14 Gbps effective | Memory Clock | 1750 MHz 14 Gbps effective |
Render Config
| 6144 | Shading Units | 2944 |
| 192 | TMUs | 184 |
| 96 | ROPs | 64 |
| 48 | RT Cores | 46 |
| 128 KB (per SM) | L1 Cache | 64 KB (per SM) |
| 4 MB | L2 Cache | 4 MB |
| 48 | SM Count | 46 |
| 192 | Tensor Cores | 368 |
Board Design
| 115 W | Thermal design power (TDP) | 150 W |
| No outputs | Display Connectors | No outputs |
API support
| 12 Ultimate (12_2) | DirectX | 12 Ultimate (12_2) |
| 4.6 | OpenGL | 4.6 |
| 3.0 | OpenCL | 3.0 |
| 1.2 | Vulkan | 1.2 |
| 6.6 | Shader Model | 6.6 |
| 8.6 | CUDA | 7.5 |